How to Assemble a Stihl 180 Chainsaw
Stihl MS 180. A reliable and unpretentious tool, but sometimes requiring repair, like any equipment. In this article, we will consider how the Stihl ms 180 chainsaw is disassembled, which is necessary in the event of an overhaul of the engine.
Repair of any equipment should begin with the preparatory phase, and the Stihl 180 saw is no exception. At the preparatory stage, before dismantling the Stihl 180 chainsaw, it is necessary to remove the side cover, chain and tire from the chainsaw. Next, with the help of a compressor and a brush, you need to clean the chainsaw from dirt, sawdust, oil drips and other things.
Particular attention when cleaning the saw should be given to the place where the chain sprocket of the chainsaw is located, because this is the most polluted area.
In places of large accumulation of oil, you can rinse with clean gasoline.
Direct disassembly of the Stihl 180, begins with the removal of the handle, which is attached to the body of the chainsaw using three rubber shock absorbers. To remove, it is necessary to remove the plastic plugs from the inner cavity of the shock absorbers, and then using a powerful screwdriver, squeeze out the upper shock absorber first, then the one that is closer to the rear handle.
A gas trigger is installed in the rear of the handle, which is connected to the carburetor through a wire rod, in order to disconnect the rod from the gas trigger, two screws must be loosened and the handle disassembled.
When the handle remains on one shock absorber, it is necessary to unscrew the chainsaw body from the inside of the handle and breaking it to the side, remove the body from the last rubber band.
At the next stage, the upper housing cover is removed and 4 starter mounting screws are untwisted, after which it is necessary to remove the oil tank and fuel barrel covers. The starter is removed quite simply and no problems should arise.
After removing the starter, the opened internal cavity of the chainsaw needs to be cleaned, because usually on the body under the starter there is a large number of compacted small sawdust.
The Stihl 180 chainsaw flywheel is twisted with great effort, so to remove it you will need a head with a metal knob. The nut holding the flywheel is unscrewed by 13.
To lock the crankshaft from turning, you need to unscrew the candle and install the piston stopper through the spark plug hole, if it is not there, you can use the old cord from the starter, with the components attached to it and immersed in the cylinder through the spark plug hole.
It is strictly forbidden to keep the flywheel from turning by installing a power screwdriver and other tools between its ribs and the body, with this method of locking from turning, the flywheel blades are not able to withstand loads and break off.
After the piston in the cylinder is blocked, you can unscrew the flywheel nut. The thread in the nut is normal, so you need to twist to the left side. After loosening the nut, it is not necessary to completely remove it, it is enough to unscrew it until its upper edge is equal to the tip of the shaft, after which the drift of soft metal is installed on the nut and a sharp blow is made to it. Thus, the flywheel jumps off the shaft from a sharp impact and can be easily removed without the need for additional tools.
Dismantling the clutch and drive the oil pump
Before disassembling the clutch, it is necessary to dismantle the drive sprocket. To do this, carefully remove the lock washer from the grooves on the shaft and remove the sprocket and needle bearing.
High head 19, unscrew the clutch. The thread on it is left, so it is unscrewed towards the tire, and not the rear of the Stihl 180 saw.
Having unwound and removing the clutch, you need to immediately remove the reflecting plate and the pump oil drive, this is easy to do, because they are put on the shaft without any attachment.
Carburetor, silencer and ignition coil
To remove the carburetor, it is necessary to have a head for 8 and an extension cord, with which it is convenient to unscrew the nuts of the carburetor and air filter. Before dismantling the carburetor, it is necessary to disconnect the ignition wire and the choke rod from the engine control lever and remove the lever, only then the air filter and carburetor are removed.
The Stihl 180 muffler is fastened with two nuts, having unscrewed which you need to pull it towards you, it can easily be removed.
The coil is mounted on two screws, for removal you just need to unscrew them.
Removing and disassembling the engine
The engine is held by 4 screws installed on the bottom of the Stihl 180 chainsaw. To remove, you need to untwist them, then carefully remove the engine from the seat and the rubber pipe of the carburetor.
To disassemble the engine, 4 crankcase screws are untwisted, and it is removed, then you can remove the crankshaft assembly with oil seals, bearings and piston rings.
Removing bearings and oil seals usually does not require additional tools, but if the bearings were pressed onto the shaft with force, then a special puller will be needed for dismantling.
To remove the piston from the connecting rod, you will need to remove the retaining ring from the seat, using a thin screwdriver, then the piston pin is extruded from the opposite side, after which the piston is removed to the side.
Stihl 180 chainsaw assembly
To assemble the stihl ms 180 saw back is quite simple, the main thing is to adhere to the following algorithm:
- Install the piston on the connecting rod, the arrow on the piston should look along the Stihl 180 chainsaw, and the side of the crankshaft, which is used to install the flywheel, should be located on the left hand of the piston;
- Carefully insert the piston back into the cylinder, the place for mounting the coil should be on the side where the flywheel is mounted on the crankshaft;
- Install bearings, seals, circlip on the shaft and lower everything in the assembly into the seat in the cylinder;
- Then degrease the crankcase installation location and the crankcase itself, then grease with sealant and tighten the 4 fixing screws in place;
To assemble a Stihl 180 saw after the moment the engine is assembled, the reverse disassembly sequence must be observed. It is important to take the process carefully and remember to install traction on the carburetor, and connect the ignition wire.
Below you can see the Stihl 180 disassembly in the, it is made for inexperienced users, it shows in detail the whole process.
Dismantling the Stihl 180 chainsaw and assembling it, with some experience, is quite simple, the main thing is to thoroughly clean the saw before work and not rush. In order for small parts not to get lost, you need to use containers in which, in the process, it is worthwhile to lay out spare parts.
Disassembly and assembly
Stihl MS 180. The tool is reliable and simple, but sometimes requires repair, as well as any equipment. In this article, let’s see how it is necessary to dismantle the 180 chainsaw in case of a major overhaul of the engine.
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Repair of any equipment should begin with preparatory work, and calm 180. Drink, not an exception. At the preparatory stage, before dismantling the chainsaw with a quiet 180, it is necessary to remove the side cover, chain and tire from the chainsaw. Then, with the help of a compressor and a brush, you need to clean the chainsaw from dirt, sawdust, oil stains and others.
Particular attention when cleaning the saw should be given to the place where the chainsaw drive sprocket is located, as this is the most polluted area.
In places with a large accumulation of oil, you can rinse with clean gasoline.
Direct dismantling of the sedative 180 begins with the removal of the handle, which is attached to the body of the chainsaw using three rubber shock absorbers. To remove it, it is necessary to remove the plastic plugs from the inner cavity of the shock absorbers, then use a powerful screwdriver to squeeze the upper shock absorber first, and then the one that is closer to the rear handle.
At the rear of the handle there is a gas trigger, which is connected with a carburetor using a wire rod, in order to disconnect the rod from the gas trigger, it is necessary to unscrew the two screws and disassemble the handle.
When the handle stays on the same shock absorber, need to unscrew chain saw with and break in the lateral direction, remove the case from the last rubber band.
At the next stage, the 4 screws securing the starter are removed and then the covers of the oil tank and fuel drum must be removed. The starter is removed quite simply and no problems arise.
After removing the starter, the open internal cavity of the chainsaw must be cleaned, as usually the starter usually has a large number of compacted sawdust.
The chainsaw flywheel Pin 180 is twisted with great force, therefore a head with a metal ring is required to remove it. The nut holding the flywheel disengages at 13.
To block the crankshaft from turning, you need to unscrew the candle and install the piston plug through the hole for the candle, if it is not there, you can use the old lace from the starter, with the knots attached to it and immersed in the cylinder through the hole for the candle.
It is strictly forbidden to rotate the flywheel by installing a power screwdriver and other tools between the ribs and the casing, with this method of locking from turning the flywheel blades are not able to withstand loads and breaks.
Shtil MS 180: assembly
Group :. Assembly and details overview Stihl chainsaws Ms 180.
Assembly STIHL MS180
In that video we will show you how to replace the piston group on a chainsaw Stihl MS180, crankshaft oil seals
After the piston in the cylinder is locked, the flywheel nut can be unscrewed. The thread in the nut is normal, so you need to turn it to the left. By loosening the nut, there is no need to remove it to the end, it is enough to unscrew it to the point where its upper edge is equal to the tip of the shaft, after which a knockout of soft metal is placed on the nut and a sharp blow. Thus, the flywheel jumps off the shaft from a sharp blow, and it can be easily removed without the aid of additional tools.
Dismantling the clutch actuator and oil pump
Before dismounting the coupling, the drive sprocket must be removed. To do this, carefully remove the lock washer from the grooves on the shaft and remove the sprocket and needle bearing.
High head 19, unscrew the coupling. The thread remains on it, so it turns to the side of the tire, and not to the rear of the saw.
To disconnect and remove the coupling, it is necessary to immediately remove the reflection plate and move the pump oil in order to do this simply because they are mounted on the shaft without any attachment.
Carburetor, silencer and ignition coil
To remove the carburetor, you must have a head for 8 and an extension cord, with which it is convenient to untwist the carburettor mounting nuts and the air filter. Before dismantling the carburetor, it is necessary to disconnect the ignition wire and the choke rod from the engine control lever and remove the lever, only then remove the air filter and the carburetor.
Muffler. The pin 180 is attached with two unscrewing nuts that must be pulled over, it will be easily removed.
The coil is attached to two screws, for removal you just need to unscrew them.
Removing and disassembling the engine
The engine is held by four screws mounted on the bottom of the chain saws: Calm 180. To remove, unscrew them, and then carefully pull the engine out of the seat and the rubber pipe of the carburetor.
To dismantle the engine, the 4 crankcase screws are loosened and removed, then the crankshaft can be removed using seals, bearings and piston rings.
To remove bearings and seals, usually no additional tools are required, but if the bearings were pressed against the shaft with force, then a special puller will be required for dismantling.
In order to remove the piston from the connecting rod, it is necessary to remove the circlip from the seat using a thin screwdriver, then the piston pin is extruded from the opposite side, after which the piston is removed to the side.
Chainsaw Assembly 180 Calm
To assemble the stihl ms 180 saw backwards, it is quite simple, the main thing is to adhere to the following algorithm:
- Install the piston on the connecting rod, the arrow on the piston should look during the Calm 180 chainsaw, and on the left side of the piston. Side of the crankshaft, which is designed to install the flywheel;
- Carefully insert the piston back into the cylinder, the place for installing the coil should be on the side where the flywheel is mounted on the crankshaft;
- Install the bearings, seals, retainer on the shaft and bottom assembly all in the cylinder seat;
- Then degrease the installation location of the crankcase and the crankcase itself, after which it should be greased with sealant and fix in place 4 mounting screws;
To assemble the Steele 180, the reverse sequence of disassembly must be observed after engine assembly. It is important to carefully process the process and do not forget to install the traction on the carburetor and connect the ignition wire.
Below you can see the dismantling of a calm 180 in the, it is made for inexperienced users, it shows the entire process in detail.
The dismantling of the chainsaw is calm 180 and its assembly, with some experience, is quite simple, the main thing is before work. Gently clean the saw and do not rush. To prevent small parts from being lost, you need to use containers in which spare parts must be laid out.
Stihl mc 180 chainsaw. A tool designed to cut wood across. The equipment belongs to the prior art for domestic use. The model differs from professional tools in the material of the working bodies and is designed for use at times, not more than 40 minutes per cycle of work.
Varieties of saws and specifications
The demand for Stihl mc 180 chainsaws among amateurs is justified by the convenience of work and reliability. The basic model weighs only 3, 9 kg. The saber, the blade length of 35 cm allows you to cut logs as it is also called to drop trees with a cross section of up to 30 cm. The power of a two-stroke motor is 5 liters. With. That allows you to do what remains to do to our client household work related to the transverse sawing of boards and in addition firewood of any kind of tree. The fuel tank capacity is only 0.25 liters, alas, this allows you to work without stopping for a period of 45-55 minutes.
The mixture should be used for refueling, consisting of a transmission oil recommended for another with unleaded AI-92 and AI-95 gasoline. The ratio is 25 ml of additive per liter of gasoline.
Chainsaw Chain Stihl 180 represents a never-ending closed tape of 50 links. Other features:
Saw Stihl 180 assembly and disassembly.
- Chain pitch. 3/8 inch;
- Groove width. 1.3 cm;
- Production material high-carbon steel, brilliant steel, victorious soldering.
The working mechanism, a saw set, includes a tire, an asterisk and an automatic lubrication system.
The chain tension system is located on the side, which is comfortable. A chain brake is foreseen.
Building on tire lengths and chainsaw upgrades Stihl MS 180 has a number of modifications. Saws with a saber length of 35 cm belong to the models marked 14, their length in inches is 14. The same equipment for the engine and its characteristics, however, with a tire length of 40 cm, is called MC 180 16. Stihl mc 180 С- chainsaw BE tool is above class. Here is a 40 cm long tire web, a lightweight start-up system, and a quick chain tensioning system. Easy access to the air intake filter, a condition when the tool life is extended.
Compliance with the instructions is the basis for long-term operation of the mechanism
An instrument for operation is attached to at least some instrument, all the more complicated, like a Stihl 180 chainsaw. Before making the first start, you need to study the technical management. This is all the more vital if you have of course a production experience with the Friendship saw. Other assembly, chain tensioning system, start-up conditions and tool adjustment require preparatory acquaintance. On the forums, of course, messages that the sawyer poured a candle on the first start. He repeatedly pulled the starter, it is necessary:
- Move the lever to the last position;
- Pull the starter slowly. Twice;
- Pull a couple of times sharply and swiftly.
So that problems do not occur, gasoline must be produced to the end, without leaving “sour” in the tank for a number of days.
The operating annotation gives verbal definition of the marking on the tool body. There is also a feature line, the disassembly order Stihl chainsaws 180 for the replacement of nodes, sharpening the chain.
Warnings about working with high-risk equipment and about non-hazardous practices will help to avoid injury. Fundamentally, changing the chain, be sure to check whether it is recommended by the manufacturer. Inconsistency of the nodes leads to breakage, failure to comply with the guarantee criteria.
Dismantling a Stihl chainsaw 180 part 1
In this, we will show you how to perform a piston group change on a chainsaw Stihl MS180, crankshaft oil seals.
DIY saw repair
With the advent of the light and comfortable Stihl MC 180 chainsaw in the household, it will completely change the two-handed, bow and sometimes a hacksaw. Over time, the chains become dull, the sprockets wear out, the oil supply system is damaged. Some problems have the option to remove without the help of others. Others require repairs at special service centers.
To check whether there is grease in the tank, and whether it enters the chain, you can use a spotless sheet of paper. Put the tire on a piece of paper, there should be a corresponding mark in the shape of the oil strip.
Repairing a saw without the help of others is possible only by understanding the assembly of the components and the sequence of operations for removing and restoring or replacing the component. Stihl 180 chainsaw annotation will become a reliable assistant. Specifically, there you will find installation techniques and a sequence of repair operations:
- Allowing accounting (software) of oil supply;
- Bringing the carburetor to working condition;
- Repair, in other words, the replacement of the oil pump.
Today, a home master can shorten an extended chain and sharpen it.
If the saw chain remains dry at the time of operation or the oil leaks, it means that troubleshooting and repair are required to allow accounting (software) for the lubrication of the Stihl 180 chainsaw. At the same time, inspect the oil lines and the connection density with the fittings. Be sure to clean the filter at the oil supply. If there is little mechanical damage to the hoses, the density can be returned using sealant.
The carburetor makes itself felt by the difficulty when starting the saw, the running tool does not develop, it stalls when throttling. As a prerequisite, you will like the wear of the cuff on the piston, during which it draws in air during discharge. During the repair, the carburetor is removed and gets to the cuff on the accelerator, disassembling the assembly in the sequence:
- Remove the cover with the membrane by unscrewing the screw;
- Remove the snap ring;
- Disconnect the air damper, remove the throttle;
- Pull out the accelerator with a spring;
- Change the tiny piston with the cuff and assemble the carburetor in the reverse sequence.
Problems will be associated with the ignition system. After checking the performance of the candles and cleaning the soot, adjust the carburetor, the feed system and clean the injections. The carburetor is a complex unit and the operation of the chassis depends on its option. If there is no conviction and skill, it is better to use the services of a specialist. Often working on bad gasoline with non-recommended oil is the root cause of all problems.
To help the wizard on the resources there is information on how to carry out repairs Stihl chainsaws 180 on their own, nettles, the will show the sequence of disassembly.
About diagnostics allowing accounting (software) lubrication see here:
Features of saw chains
The working mechanism of the saw is a chain. Saw chains are manufactured using a special technology:
- The cutting element is made of high carbon steel, and the use of chromium plating or applying a victorious layer to the cutter. The more difficult the development of production, the higher the price of the chain.
- The hinge holes are ground to reduce friction and extend service life.
- Rivets are used only hardened by a special technology.
- Marks are applied to the teeth, according to which wear is determined and to perform uniform sharpening.
- After connecting the links in a chain, the product is stretched to ensure dimensional stability during operation.
The intelligent automatic chain lubrication system extends its life. New saws required be selected according to the characteristic indicated in the operating manual Stihl chainsaws 180.
You should know that chains with victorious surfacing are 3-5 times more expensive than ordinary ones, however it is unrealistic to sharpen them yourself by repairing a Stihl 180 chainsaw. Employees of the Ministry of Emergency Situations often use such inventory.
For a long maintenance-free period, use the oil recommended by the tool manufacturer. A special mineral composition is used to prevent chain grinding. It is unacceptable to use oil created for additives in gasoline for saws Stihl.
It is often asked how longitudinal cuts can be made with a Stihl 180 saw. The power of the saw allows you to work on cutting wood only across the fibers.
The cost of a Stihl MS 180 chainsaw is significantly different. The cheapest basic model of an ordinary complete set. The price of the device depends on the country of manufacture. German, in other words, a South American product is more expensive than Chinese for well-known reasons.